Precautions

It is very important that your doctor check you closely while you are receiving this medicine to make sure it is working properly. Blood tests may be needed to check for unwanted effects.

This medicine may increase your chance of having blood clots or bleeding, especially in patients with atherosclerosis (hardening of the arteries), injury, a serious blood infection (septicemia), or a history of blood clotting problems, heart attack, or stroke. Patients who stay in bed for a long time because of surgery or illness are also at risk for blood clots. Check with your doctor right away if you suddenly have chest pain, shortness of breath, a severe headache, leg pain, or problems with vision, speech, or walking.

This medicine may cause serious types of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash; itching; hoarseness; trouble with breathing; trouble with swallowing; lightheadedness or dizziness; or any swelling of your hands, face, or mouth after you have receive this medicine.

This medicine is made from donated human blood. Some human blood products have transmitted certain viruses to people who have received them. The risk of getting a virus from medicines made from human blood has been greatly reduced in recent years. This is the result of required testing of human donors for certain viruses, and testing during the making of these medicines. Although the risk is low, talk with your doctor if you have concerns.

Stop using this medicine and check with your doctor right away if you have chest pain, cough, fast or slow heartbeat, shortness of breath, trouble with breathing, or wheezing after receiving this medicine.

Check with your doctor right away if you develop pain or tenderness in the upper stomach; pale stools; dark urine; loss of appetite; nausea; unusual tiredness or weakness; or yellow eyes or skin. These could be symptoms of a serious liver problem.

Check with your doctor right away if you have fever, chills, drowsiness, joint pain, rash, or runny nose.

Certain components of the packaging material contain dry natural rubber (a derivative of latex), which may cause allergic reactions in people who are sensitive to latex. Tell your doctor if you have a latex allergy before you start using this medicine.